Pith Number

pith:L2FM7XX2

pith:2005:L2FM7XX2BH4CXAETDMP24U4LDP

not attested not anchored not stored refs pending

The extended H-alpha emitting filaments surrounding NGC4696, the central galaxy of the Centaurus cluster

A. C. Fabian, Cambridge), C. S. Crawford, J. S. Sanders (Institute of Astronomy, N. A. Hatch

arxiv:astro-ph/0507627 v1 · 2005-07-27 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L2FM7XX2BH4CXAETDMP24U4LDP}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T15:49:50.257941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e8acfdefa09f82b80931b1fae538b1bc8e6eba5ae716c80d086b601f0f448a2

Aliases

arxiv: astro-ph/0507627 · arxiv_version: astro-ph/0507627v1 · doi: 10.48550/arxiv.astro-ph/0507627 · pith_short_12: L2FM7XX2BH4C · pith_short_16: L2FM7XX2BH4CXAET · pith_short_8: L2FM7XX2

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/L2FM7XX2BH4CXAETDMP24U4LDP \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 5e8acfdefa09f82b80931b1fae538b1bc8e6eba5ae716c80d086b601f0f448a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f9baeed206a030b3f8819d2ac5e18c4ecd1ced462fb97991f2c2699293dadc5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-07-27T09:24:34Z",
    "title_canon_sha256": "540a0acadf9bbb74f65d9f1eedc080dc5ee0bef2a2f7ff32bd6e29fe9512b2c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0507627",
    "kind": "arxiv",
    "version": 1
  }
}